Mark thomas mccormick



MARK THOMAS MCGORMIGK, OF MEADVILLE, PENNSYLVANIA."

VLetters Potent No. 76,490, dated April 7, 1868.

IMPROVEO TOOL FOR. OPENING eine.

{Elgilgehltle wenn 1n in H1952 fillettes atmt inni making-gan Of tige sinus.

TO ALL WIIOM I'I MAY CONGERN:

Be it known that I, MARE THOMAS'MCCORMICK, of'A the city of Meadville, in the county of Crawford, State et' Pennsylvania, have invented a new and improved 'Iool for-Opening Oyster and Fruit-Cans; und I do hereby declare that the following4 is zt full and emetdescription of the same, reference being had to the accompanying drawings, and the letters of reference marked-thereon.

Figure I represents my invention, with all its -parts adjusted in working order. A is a.' handle of wootLl B, en iron or metal shaft, with a. screw-point,E. G is an arm passing through a. slot in the shaft B, shown 'at C, iig. 2. D is a. thumb-screw, by which the arm is fixed in any desired position. H is a, knife fixed inv a slet ink'tlie erin GliQsee S, 'Figure 3,) by the thumb-screw B..l H, Figure 4, shows.

the shape of' the knife. l v.

To operztte the tool, the point E is thrust through'the tin of the een to be opened until the thread of the screw will catch, when the hOudleA is turned. ,The point of the kniferis then forcedl through the tin, and on turning the tool, the screw-thread on the point E holds it to its place, while the knife ents out a disk of tin from the can. By moving the arm G in the slot C, ehole of any size can he cut. v

What I claim as inyinvcntion, and desire to secure by Letters Patent, is as follows, vto wit I claim the shaft B, in combination with the aruiG, the knife H, and the set-screws D D, when the sume are constructed in the aforesaid combination, for the purposes set forth.

` MARK'T. MCCORMIOK.

Witnesses:

A. D. RICHMOND,

A. A. LORD. 

